Home / 4,145.35-6,217.21-1,222.87

Finding the Fourth Proportional to 4,145.35, 6,217.21 and 1,222.87

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Solution

The fourth proportional to 4,145.35, 6,217.21 and 1,222.87 is: 1,834.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.35 : 6,217.21 = 1,222.87 : x
  2. Step 2: Convert to fraction form
    4,145.35/6,217.21 = 1,222.87/x
  3. Step 3: Cross multiply
    4,145.35x = 6,217.21 × 1,222.87
  4. Step 4: Simplify right side
    4,145.35x = 7,602,824.05
  5. Step 5: Solve for x
    x = 7,602,824.05/4,145.35
  6. Step 6: Final answer
    x = 1,834.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.